Jake H.

asked • 12/09/17

Find h(x) if it is known that h(x+5)=3x+18.

how to solve

1 Expert Answer

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Michael J. answered • 12/09/17

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Applying SImple Math to Everyday Life Activities

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h(x + 5) is the value of h(x) when x=x+5
 
 
h(x) = 3(x - 5) + 18
 
h(x) = 3x - 15 + 18
 
h(x) = 3x + 3
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Kenneth S.

Isn't it a bit awkward to express the replacement process by the underlined equation?

h(x + 5) is the value of h(x) when x=x+5 ? BECAUSE the underlined statement is an equation that is never true.
 
Student may have difficulty.  
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12/09/17

Michael J.

I should say subtract 5 from each input variable.
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12/10/17

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